Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7839180 | Noise filter circuit, noise filtering method, thermal head driver, thermal head, electronic instrument, and printing system | — | 2010-11-23 |
| 4358837 | Time correcting method | Suguru Yamazaki | 1982-11-09 |